package com.jzp.gulimail.product.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@EnableConfigurationProperties(CacheProperties.class)
@Configuration
@EnableCaching
public class MyCacheConfig {

    /**
     * 配置文件中的东西没有用上
     *
     * 1.原来和配置文件绑定的配置类是这样的
     *   @ConfigurationProperties（prefix="spring.cache"）
     *   public class CacheProperties
     * 2.要让他生效
     * @return
     */
    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){

        RedisCacheConfiguration config=RedisCacheConfiguration.defaultCacheConfig();

        config=config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        config=config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));

        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        //将配置文件中的所有配置都生效
        if(redisProperties.getTimeToLive()!=null){
            config=config.entryTtl(redisProperties.getTimeToLive());
        }
        if(redisProperties.getKeyPrefix()!=null){
            config=config.prefixKeysWith(redisProperties.getKeyPrefix());
        }
        if(!redisProperties.isCacheNullValues()){
            config=config.disableCachingNullValues();
        }
        if(!redisProperties.isUseKeyPrefix()){
            config=config.disableKeyPrefix();
        }

        return config;

    }
}

















